IRU1030-33CPTR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection

Package: TO-263-5 (D2PAK)

Essence: The IRU1030-33CPTR is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate and control the voltage supplied to different components.

Packaging/Quantity: The IRU1030-33CPTR is available in a TO-263-5 package, also known as D2PAK. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 4.5V - 18V
• Output Voltage Range: 3.3V
• Dropout Voltage: 0.35V @ 1A
• Output Current: Up to 3A
• Quiescent Current: 10mA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The IRU1030-33CPTR has the following pin configuration:

```

---

| | --| VIN GND |-- Pin 1: Input Voltage (VIN) --| VOUT NC |-- Pin 2: Output Voltage (VOUT) --| ADJ NC |-- Pin 3: Adjustable Voltage (ADJ) --| NC NC |-- Pin 4: Not Connected (NC) --| GND NC |-- Pin 5: Ground (GND) |___________| ```

Functional Features

• Low Dropout Voltage: The IRU1030-33CPTR has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 3A, this voltage regulator can handle high power requirements.
• Adjustable Output Voltage: The ADJ pin allows for fine-tuning of the output voltage, providing flexibility in different applications.
• Thermal Shutdown Protection: The IC includes built-in thermal shutdown protection, which prevents damage due to excessive heat.
• Overcurrent Protection: The IRU1030-33CPTR incorporates overcurrent protection, safeguarding the circuit from excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for demanding applications - Adjustable output voltage provides versatility - Thermal shutdown and overcurrent protection enhance reliability

Disadvantages: - Limited output voltage options (fixed at 3.3V) - Requires external components for proper operation

Working Principles

The IRU1030-33CPTR operates as a linear voltage regulator. It uses a pass transistor to control the output voltage based on the difference between the input and desired output voltage. The internal circuitry adjusts the pass transistor to maintain a stable output voltage, compensating for variations in the input voltage and load conditions.

Detailed Application Field Plans

The IRU1030-33CPTR finds application in various electronic devices that require a regulated power supply. Some common application fields include: 1. Consumer electronics: TVs, audio systems, gaming consoles 2. Computer peripherals: Printers, scanners, routers 3. Industrial equipment: Motor drives, power supplies, control systems 4. Automotive electronics: Infotainment systems, lighting controls, engine management

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package.
2. LT1086-3.3: Offers adjustable output voltage and higher output current capability.
3. TPS7A3301: Provides ultra-low dropout voltage and low quiescent current.

These alternative models offer comparable functionality and can be considered as substitutes for the IRU1030-33CPTR in various applications.

Word count: 456 words